blob: 6358d9363542d4b298a5e876ff956c6f73315260 [file] [log] [blame]
/*------------------------------------------------------------------------
* Vulkan Conformance Tests
* ------------------------
*
* Copyright (c) 2014 The Android Open Source Project
* Copyright (c) 2016 The Khronos Group Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Tessellation Common Edge Tests
*//*--------------------------------------------------------------------*/
#include "vktTessellationCommonEdgeTests.hpp"
#include "vktTestCaseUtil.hpp"
#include "vktTessellationUtil.hpp"
#include "tcuTestLog.hpp"
#include "tcuTexture.hpp"
#include "vkDefs.hpp"
#include "vkQueryUtil.hpp"
#include "vkBuilderUtil.hpp"
#include "vkImageUtil.hpp"
#include "vkBarrierUtil.hpp"
#include "vkTypeUtil.hpp"
#include "vkStrUtil.hpp"
#include "vkCmdUtil.hpp"
#include "vkObjUtil.hpp"
#include "deUniquePtr.hpp"
#include "deStringUtil.hpp"
#include <string>
#include <vector>
namespace vkt
{
namespace tessellation
{
using namespace vk;
namespace
{
enum CaseType
{
CASETYPE_BASIC = 0, //!< Order patch vertices such that when two patches share a vertex, it's at the same index for both.
CASETYPE_PRECISE, //!< Vertex indices don't match like for CASETYPE_BASIC, but other measures are taken, using the 'precise' qualifier.
CASETYPE_LAST
};
struct CaseDefinition
{
TessPrimitiveType primitiveType;
SpacingMode spacingMode;
CaseType caseType;
};
//! Check that a certain rectangle in the image contains no black pixels.
//! Returns true if an image successfully passess the verification.
bool verifyResult (tcu::TestLog& log, const tcu::ConstPixelBufferAccess image)
{
const int startX = static_cast<int>(0.15f * (float)image.getWidth());
const int endX = static_cast<int>(0.85f * (float)image.getWidth());
const int startY = static_cast<int>(0.15f * (float)image.getHeight());
const int endY = static_cast<int>(0.85f * (float)image.getHeight());
for (int y = startY; y < endY; ++y)
for (int x = startX; x < endX; ++x)
{
const tcu::Vec4 pixel = image.getPixel(x, y);
if (pixel.x() == 0 && pixel.y() == 0 && pixel.z() == 0)
{
log << tcu::TestLog::Message << "Failure: there seem to be cracks in the rendered result" << tcu::TestLog::EndMessage
<< tcu::TestLog::Message << "Note: pixel with zero r, g and b channels found at " << tcu::IVec2(x, y) << tcu::TestLog::EndMessage;
return false;
}
}
log << tcu::TestLog::Message << "Success: there seem to be no cracks in the rendered result" << tcu::TestLog::EndMessage;
return true;
}
void initPrograms (vk::SourceCollections& programCollection, const CaseDefinition caseDef)
{
DE_ASSERT(caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES || caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS);
// Vertex shader
{
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n"
<< "\n"
<< "layout(location = 0) in highp vec2 in_v_position;\n"
<< "layout(location = 1) in highp float in_v_tessParam;\n"
<< "\n"
<< "layout(location = 0) out highp vec2 in_tc_position;\n"
<< "layout(location = 1) out highp float in_tc_tessParam;\n"
<< "\n"
<< "void main (void)\n"
<< "{\n"
<< " in_tc_position = in_v_position;\n"
<< " in_tc_tessParam = in_v_tessParam;\n"
<< "}\n";
programCollection.glslSources.add("vert") << glu::VertexSource(src.str());
}
// Tessellation control shader
{
const int numVertices = (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 3 : 4);
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n"
<< "#extension GL_EXT_tessellation_shader : require\n"
<< (caseDef.caseType == CASETYPE_PRECISE ? "#extension GL_EXT_gpu_shader5 : require\n" : "")
<< "\n"
<< "layout(vertices = " << numVertices << ") out;\n"
<< "\n"
<< "layout(location = 0) in highp vec2 in_tc_position[];\n"
<< "layout(location = 1) in highp float in_tc_tessParam[];\n"
<< "\n"
<< "layout(location = 0) out highp vec2 in_te_position[];\n"
<< "\n"
<< (caseDef.caseType == CASETYPE_PRECISE ? "precise gl_TessLevelOuter;\n\n" : "")
<< "void main (void)\n"
<< "{\n"
<< " in_te_position[gl_InvocationID] = in_tc_position[gl_InvocationID];\n"
<< "\n"
<< " gl_TessLevelInner[0] = 5.0;\n"
<< " gl_TessLevelInner[1] = 5.0;\n"
<< "\n"
<< (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES ?
" gl_TessLevelOuter[0] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[1] + in_tc_tessParam[2]);\n"
" gl_TessLevelOuter[1] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[2] + in_tc_tessParam[0]);\n"
" gl_TessLevelOuter[2] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[0] + in_tc_tessParam[1]);\n"
: caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS ?
" gl_TessLevelOuter[0] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[0] + in_tc_tessParam[2]);\n"
" gl_TessLevelOuter[1] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[1] + in_tc_tessParam[0]);\n"
" gl_TessLevelOuter[2] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[3] + in_tc_tessParam[1]);\n"
" gl_TessLevelOuter[3] = 1.0 + 59.0 * 0.5 * (in_tc_tessParam[2] + in_tc_tessParam[3]);\n"
: "")
<< "}\n";
programCollection.glslSources.add("tesc") << glu::TessellationControlSource(src.str());
}
// Tessellation evaluation shader
{
std::ostringstream primitiveSpecificCode;
if (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES)
primitiveSpecificCode
<< " highp vec2 pos = gl_TessCoord.x*in_te_position[0] + gl_TessCoord.y*in_te_position[1] + gl_TessCoord.z*in_te_position[2];\n"
<< "\n"
<< " highp float f = sqrt(3.0 * min(gl_TessCoord.x, min(gl_TessCoord.y, gl_TessCoord.z))) * 0.5 + 0.5;\n"
<< " in_f_color = vec4(gl_TessCoord*f, 1.0);\n";
else if (caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS)
primitiveSpecificCode
<< (caseDef.caseType == CASETYPE_BASIC ?
" highp vec2 pos = (1.0-gl_TessCoord.x)*(1.0-gl_TessCoord.y)*in_te_position[0]\n"
" + ( gl_TessCoord.x)*(1.0-gl_TessCoord.y)*in_te_position[1]\n"
" + (1.0-gl_TessCoord.x)*( gl_TessCoord.y)*in_te_position[2]\n"
" + ( gl_TessCoord.x)*( gl_TessCoord.y)*in_te_position[3];\n"
: caseDef.caseType == CASETYPE_PRECISE ?
" highp vec2 a = (1.0-gl_TessCoord.x)*(1.0-gl_TessCoord.y)*in_te_position[0];\n"
" highp vec2 b = ( gl_TessCoord.x)*(1.0-gl_TessCoord.y)*in_te_position[1];\n"
" highp vec2 c = (1.0-gl_TessCoord.x)*( gl_TessCoord.y)*in_te_position[2];\n"
" highp vec2 d = ( gl_TessCoord.x)*( gl_TessCoord.y)*in_te_position[3];\n"
" highp vec2 pos = a+b+c+d;\n"
: "")
<< "\n"
<< " highp float f = sqrt(1.0 - 2.0 * max(abs(gl_TessCoord.x - 0.5), abs(gl_TessCoord.y - 0.5)))*0.5 + 0.5;\n"
<< " in_f_color = vec4(0.1, gl_TessCoord.xy*f, 1.0);\n";
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n"
<< "#extension GL_EXT_tessellation_shader : require\n"
<< (caseDef.caseType == CASETYPE_PRECISE ? "#extension GL_EXT_gpu_shader5 : require\n" : "")
<< "\n"
<< "layout(" << getTessPrimitiveTypeShaderName(caseDef.primitiveType) << ", "
<< getSpacingModeShaderName(caseDef.spacingMode) << ") in;\n"
<< "\n"
<< "layout(location = 0) in highp vec2 in_te_position[];\n"
<< "\n"
<< "layout(location = 0) out mediump vec4 in_f_color;\n"
<< "\n"
<< (caseDef.caseType == CASETYPE_PRECISE ? "precise gl_Position;\n\n" : "")
<< "void main (void)\n"
<< "{\n"
<< primitiveSpecificCode.str()
<< "\n"
<< " // Offset the position slightly, based on the parity of the bits in the float representation.\n"
<< " // This is done to detect possible small differences in edge vertex positions between patches.\n"
<< " uvec2 bits = floatBitsToUint(pos);\n"
<< " uint numBits = 0u;\n"
<< " for (uint i = 0u; i < 32u; i++)\n"
<< " numBits += ((bits[0] >> i) & 1u) + ((bits[1] >> i) & 1u);\n"
<< " pos += float(numBits&1u)*0.04;\n"
<< "\n"
<< " gl_Position = vec4(pos, 0.0, 1.0);\n"
<< "}\n";
programCollection.glslSources.add("tese") << glu::TessellationEvaluationSource(src.str());
}
// Fragment shader
{
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n"
<< "\n"
<< "layout(location = 0) in mediump vec4 in_f_color;\n"
<< "\n"
<< "layout(location = 0) out mediump vec4 o_color;\n"
<< "\n"
<< "void main (void)\n"
<< "{\n"
<< " o_color = in_f_color;\n"
<< "}\n";
programCollection.glslSources.add("frag") << glu::FragmentSource(src.str());
}
}
//! Generic test code used by all test cases.
tcu::TestStatus test (Context& context, const CaseDefinition caseDef)
{
DE_ASSERT(caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES || caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS);
DE_ASSERT(caseDef.caseType == CASETYPE_BASIC || caseDef.caseType == CASETYPE_PRECISE);
requireFeatures(context.getInstanceInterface(), context.getPhysicalDevice(), FEATURE_TESSELLATION_SHADER);
const DeviceInterface& vk = context.getDeviceInterface();
const VkDevice device = context.getDevice();
const VkQueue queue = context.getUniversalQueue();
const deUint32 queueFamilyIndex = context.getUniversalQueueFamilyIndex();
Allocator& allocator = context.getDefaultAllocator();
// Prepare test data
std::vector<float> gridPosComps;
std::vector<float> gridTessParams;
std::vector<deUint16> gridIndices;
{
const int gridWidth = 4;
const int gridHeight = 4;
const int numVertices = (gridWidth+1)*(gridHeight+1);
const int numIndices = gridWidth*gridHeight * (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 3*2 : 4);
const int numPosCompsPerVertex = 2;
const int totalNumPosComps = numPosCompsPerVertex*numVertices;
gridPosComps.reserve(totalNumPosComps);
gridTessParams.reserve(numVertices);
gridIndices.reserve(numIndices);
{
for (int i = 0; i < gridHeight+1; ++i)
for (int j = 0; j < gridWidth+1; ++j)
{
gridPosComps.push_back(-1.0f + 2.0f * ((float)j + 0.5f) / (float)(gridWidth+1));
gridPosComps.push_back(-1.0f + 2.0f * ((float)i + 0.5f) / (float)(gridHeight+1));
gridTessParams.push_back((float)(i*(gridWidth+1) + j) / (float)(numVertices-1));
}
}
// Generate patch vertex indices.
// \note If CASETYPE_BASIC, the vertices are ordered such that when multiple
// triangles/quads share a vertex, it's at the same index for everyone.
if (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES)
{
for (int i = 0; i < gridHeight; i++)
for (int j = 0; j < gridWidth; j++)
{
const deUint16 corners[4] =
{
(deUint16)((i+0)*(gridWidth+1) + j+0),
(deUint16)((i+0)*(gridWidth+1) + j+1),
(deUint16)((i+1)*(gridWidth+1) + j+0),
(deUint16)((i+1)*(gridWidth+1) + j+1)
};
const int secondTriangleVertexIndexOffset = caseDef.caseType == CASETYPE_BASIC ? 0 : 1;
for (int k = 0; k < 3; k++)
gridIndices.push_back(corners[(k+0 + i + (2-j%3)) % 3]);
for (int k = 0; k < 3; k++)
gridIndices.push_back(corners[(k+2 + i + (2-j%3) + secondTriangleVertexIndexOffset) % 3 + 1]);
}
}
else if (caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS)
{
for (int i = 0; i < gridHeight; ++i)
for (int j = 0; j < gridWidth; ++j)
{
for (int m = 0; m < 2; m++)
for (int n = 0; n < 2; n++)
gridIndices.push_back((deUint16)((i+(i+m)%2)*(gridWidth+1) + j+(j+n)%2));
if (caseDef.caseType == CASETYPE_PRECISE && (i+j) % 2 == 0)
std::reverse(gridIndices.begin() + (gridIndices.size() - 4),
gridIndices.begin() + gridIndices.size());
}
}
else
DE_ASSERT(false);
DE_ASSERT(static_cast<int>(gridPosComps.size()) == totalNumPosComps);
DE_ASSERT(static_cast<int>(gridTessParams.size()) == numVertices);
DE_ASSERT(static_cast<int>(gridIndices.size()) == numIndices);
}
// Vertex input buffer: we put both attributes and indices in here.
const VkDeviceSize vertexDataSizeBytes = sizeInBytes(gridPosComps) + sizeInBytes(gridTessParams) + sizeInBytes(gridIndices);
const std::size_t vertexPositionsOffset = 0;
const std::size_t vertexTessParamsOffset = sizeInBytes(gridPosComps);
const std::size_t vertexIndicesOffset = vertexTessParamsOffset + sizeInBytes(gridTessParams);
const Buffer vertexBuffer(vk, device, allocator,
makeBufferCreateInfo(vertexDataSizeBytes, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT), MemoryRequirement::HostVisible);
{
const Allocation& alloc = vertexBuffer.getAllocation();
deUint8* const pData = static_cast<deUint8*>(alloc.getHostPtr());
deMemcpy(pData + vertexPositionsOffset, &gridPosComps[0], static_cast<std::size_t>(sizeInBytes(gridPosComps)));
deMemcpy(pData + vertexTessParamsOffset, &gridTessParams[0], static_cast<std::size_t>(sizeInBytes(gridTessParams)));
deMemcpy(pData + vertexIndicesOffset, &gridIndices[0], static_cast<std::size_t>(sizeInBytes(gridIndices)));
flushMappedMemoryRange(vk, device, alloc.getMemory(), alloc.getOffset(), vertexDataSizeBytes);
// No barrier needed, flushed memory is automatically visible
}
// Color attachment
const tcu::IVec2 renderSize = tcu::IVec2(256, 256);
const VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM;
const VkImageSubresourceRange colorImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u);
const Image colorAttachmentImage (vk, device, allocator,
makeImageCreateInfo(renderSize, colorFormat, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT, 1u),
MemoryRequirement::Any);
// Color output buffer: image will be copied here for verification
const VkDeviceSize colorBufferSizeBytes = renderSize.x()*renderSize.y() * tcu::getPixelSize(mapVkFormat(colorFormat));
const Buffer colorBuffer (vk, device, allocator, makeBufferCreateInfo(colorBufferSizeBytes, VK_BUFFER_USAGE_TRANSFER_DST_BIT), MemoryRequirement::HostVisible);
// Pipeline
const Unique<VkImageView> colorAttachmentView (makeImageView (vk, device, *colorAttachmentImage, VK_IMAGE_VIEW_TYPE_2D, colorFormat, colorImageSubresourceRange));
const Unique<VkRenderPass> renderPass (makeRenderPass (vk, device, colorFormat));
const Unique<VkFramebuffer> framebuffer (makeFramebuffer (vk, device, *renderPass, *colorAttachmentView, renderSize.x(), renderSize.y(), 1u));
const Unique<VkCommandPool> cmdPool (makeCommandPool (vk, device, queueFamilyIndex));
const Unique<VkCommandBuffer> cmdBuffer (allocateCommandBuffer (vk, device, *cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY));
const Unique<VkPipelineLayout> pipelineLayout (makePipelineLayoutWithoutDescriptors(vk, device));
const int inPatchSize = (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 3 : 4);
const Unique<VkPipeline> pipeline(GraphicsPipelineBuilder()
.setRenderSize (renderSize)
.setPatchControlPoints(inPatchSize)
.addVertexBinding (makeVertexInputBindingDescription(0u, sizeof(tcu::Vec2), VK_VERTEX_INPUT_RATE_VERTEX))
.addVertexBinding (makeVertexInputBindingDescription(1u, sizeof(float), VK_VERTEX_INPUT_RATE_VERTEX))
.addVertexAttribute (makeVertexInputAttributeDescription(0u, 0u, VK_FORMAT_R32G32_SFLOAT, 0u))
.addVertexAttribute (makeVertexInputAttributeDescription(1u, 1u, VK_FORMAT_R32_SFLOAT, 0u))
.setShader (vk, device, VK_SHADER_STAGE_VERTEX_BIT, context.getBinaryCollection().get("vert"), DE_NULL)
.setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, context.getBinaryCollection().get("tesc"), DE_NULL)
.setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, context.getBinaryCollection().get("tese"), DE_NULL)
.setShader (vk, device, VK_SHADER_STAGE_FRAGMENT_BIT, context.getBinaryCollection().get("frag"), DE_NULL)
.build (vk, device, *pipelineLayout, *renderPass));
// Draw commands
beginCommandBuffer(vk, *cmdBuffer);
// Change color attachment image layout
{
const VkImageMemoryBarrier colorAttachmentLayoutBarrier = makeImageMemoryBarrier(
(VkAccessFlags)0, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
*colorAttachmentImage, colorImageSubresourceRange);
vk.cmdPipelineBarrier(*cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0u,
0u, DE_NULL, 0u, DE_NULL, 1u, &colorAttachmentLayoutBarrier);
}
// Begin render pass
{
const VkRect2D renderArea = makeRect2D(renderSize);
const tcu::Vec4 clearColor (0.0f, 0.0f, 0.0f, 1.0f);
beginRenderPass(vk, *cmdBuffer, *renderPass, *framebuffer, renderArea, clearColor);
}
vk.cmdBindPipeline(*cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
{
const VkBuffer buffers[] = { *vertexBuffer, *vertexBuffer };
const VkDeviceSize offsets[] = { vertexPositionsOffset, vertexTessParamsOffset, };
vk.cmdBindVertexBuffers(*cmdBuffer, 0u, DE_LENGTH_OF_ARRAY(buffers), buffers, offsets);
vk.cmdBindIndexBuffer(*cmdBuffer, *vertexBuffer, vertexIndicesOffset, VK_INDEX_TYPE_UINT16);
}
vk.cmdDrawIndexed(*cmdBuffer, static_cast<deUint32>(gridIndices.size()), 1u, 0u, 0, 0u);
endRenderPass(vk, *cmdBuffer);
// Copy render result to a host-visible buffer
copyImageToBuffer(vk, *cmdBuffer, *colorAttachmentImage, *colorBuffer, renderSize);
endCommandBuffer(vk, *cmdBuffer);
submitCommandsAndWait(vk, device, queue, *cmdBuffer);
{
// Log the result image.
const Allocation& colorBufferAlloc = colorBuffer.getAllocation();
invalidateMappedMemoryRange(vk, device, colorBufferAlloc.getMemory(), colorBufferAlloc.getOffset(), colorBufferSizeBytes);
const tcu::ConstPixelBufferAccess imagePixelAccess(mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1, colorBufferAlloc.getHostPtr());
tcu::TestLog& log = context.getTestContext().getLog();
log << tcu::TestLog::Image("color0", "Rendered image", imagePixelAccess)
<< tcu::TestLog::Message
<< "Note: coloring is done to clarify the positioning and orientation of the "
<< (caseDef.primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? "triangles" :
caseDef.primitiveType == TESSPRIMITIVETYPE_QUADS ? "quads" : "")
<< "; the color of a vertex corresponds to the index of that vertex in the patch"
<< tcu::TestLog::EndMessage;
if (caseDef.caseType == CASETYPE_BASIC)
log << tcu::TestLog::Message << "Note: each shared vertex has the same index among the primitives it belongs to" << tcu::TestLog::EndMessage;
else if (caseDef.caseType == CASETYPE_PRECISE)
log << tcu::TestLog::Message << "Note: the 'precise' qualifier is used to avoid cracks between primitives" << tcu::TestLog::EndMessage;
else
DE_ASSERT(false);
// Verify the result.
const bool ok = verifyResult(log, imagePixelAccess);
return (ok ? tcu::TestStatus::pass("OK") : tcu::TestStatus::fail("Failure"));
}
}
std::string getCaseName (const TessPrimitiveType primitiveType, const SpacingMode spacingMode, const CaseType caseType)
{
std::ostringstream str;
str << getTessPrimitiveTypeShaderName(primitiveType) << "_" << getSpacingModeShaderName(spacingMode)
<< (caseType == CASETYPE_PRECISE ? "_precise" : "");
return str.str();
}
} // anonymous
//! These tests correspond to dEQP-GLES31.functional.tessellation.common_edge.*
tcu::TestCaseGroup* createCommonEdgeTests (tcu::TestContext& testCtx)
{
de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "common_edge", "Draw multiple adjacent shapes and check that no cracks appear between them"));
static const TessPrimitiveType primitiveTypes[] =
{
TESSPRIMITIVETYPE_TRIANGLES,
TESSPRIMITIVETYPE_QUADS,
};
for (int primitiveTypeNdx = 0; primitiveTypeNdx < DE_LENGTH_OF_ARRAY(primitiveTypes); ++primitiveTypeNdx)
for (int caseTypeNdx = 0; caseTypeNdx < CASETYPE_LAST; ++caseTypeNdx)
for (int spacingModeNdx = 0; spacingModeNdx < SPACINGMODE_LAST; ++spacingModeNdx)
{
const TessPrimitiveType primitiveType = primitiveTypes[primitiveTypeNdx];
const CaseType caseType = static_cast<CaseType>(caseTypeNdx);
const SpacingMode spacingMode = static_cast<SpacingMode>(spacingModeNdx);
const CaseDefinition caseDef = { primitiveType, spacingMode, caseType };
addFunctionCaseWithPrograms(group.get(), getCaseName(primitiveType, spacingMode, caseType), "", initPrograms, test, caseDef);
}
return group.release();
}
} // tessellation
} // vkt